[LLVMdev] Bind a LLVM variable to a CPU register

Chuck Zhao chuck.zhao at samsung.com
Thu Jul 19 11:21:10 PDT 2012


put "register" keyword on that variable.

E.g.,
register int i;
...

Whether it will be register allocated is totally up to the compiler, 
with respect to the rest of the program.

Chuck

On 7/19/2012 11:14 AM, Xin Tong wrote:
> I have a constant parameter in a LLVM function. Is there a way to
> reserve a CPU register such that it also holds the value of the
> parameter in LLVM x86 codegen ?
>
> Thanks
>
> Xin
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